@charset "utf-8";
*{
    margin: 0;
    padding: 0;
}
h1,h2,h3,h4,h5,h6{
    font-weight: normal;
}
a{ 
    text-decoration:none;
    color: inherit;
}
li{
    list-style: none;
}
img{
    vertical-align: top;
}
html{
    font:12px/2 "微软雅黑";
}
ul{
    display: flex;
    width: 100px;
    height: 100px;
    background-color: #eeeeee;
    border-radius: 10px;
    box-shadow: 5px 5px 5px #cacaca;
    float: left;
    margin: 0 20px;
}
li{
    background-color: black;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    margin: 5px;
    box-shadow: 2px 2px 2px #666666;
}
ul:nth-child(2){
    justify-content: center;
    align-items: center ;
}
ul:nth-child(3){
    justify-content: space-between;
}
ul:nth-child(3) li:nth-child(2){
    align-self: flex-end;
}
ul:nth-child(4){
    justify-content: space-between;
}
ul:nth-child(4) li:nth-child(2){
    align-self: center;
}
ul:nth-child(4) li:nth-child(3){
    align-self: flex-end;
}
ul:nth-child(5){
    justify-content: space-between;
    flex-wrap: wrap;
}
ul:nth-child(5) li:nth-child(3){
    align-self: flex-end;
    margin-right: 20px;
}
ul:nth-child(5) li:nth-child(4){
    align-self: flex-end;
}
ul:nth-child(6){
    justify-content: space-between;
    align-content: space-between;
    flex-wrap: wrap;
}
ul:nth-child(6) li:nth-child(3){
    margin: 0 40px;
}
ul:nth-child(7) {
    justify-content: space-between;
    align-content: space-between;
    flex-wrap: wrap;
}